Color Legend:

• Red: Canceled part - unavailable for any operations.
• Blue: Part of a kit - cannot be ordered individually.
• Gray (Dimmed): Disabled part - non-interactive for various reasons.
• Part Number : Superseded part - replaced by a newer part.

Description: - Experience seamless power delivery with the B2U2 Transmission assembly, the core of your RayZRs powertrain. This internal mechanical kit centers on the high-strength Main Axle Comp. and Axle Drive, working with the Gear 1st Wheel to deliver linear torque from the belt to the road. Precision is maintained by high-performance Bearings and durable Oil Seals that prevent leaks and reduce rotational friction. Every Circlip and secondary bearing is manufactured to exact tolerances for a quiet, efficient drive. This system is engineered to handle the thermal loads of constant stop-and-go urban riding without losing efficiency. By opting for genuine Yamaha transmission parts, you ensure your machine retains its signature brisk acceleration and quiet operation. This is the storyteller of mechanical efficiency, providing the purchase confidence and technical clarity required for professional-grade drivetrain maintenance. Ensure your machine’s power is never wasted with factory-original gears and axles designed to provide years of effortless, vibration-free riding pleasure.